Severity: Warning
Message: Undefined array key "HTTP_REFERER"
Filename: controllers/LanguageSwitcher.php
Line Number: 13
Backtrace:
File: /home/nadserv/public_html/application/controllers/LanguageSwitcher.php
Line: 13
Function: _error_handler
File: /home/nadserv/public_html/index.php
Line: 292
Function: require_once
Severity: 8192
Message: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated
Filename: helpers/url_helper.php
Line Number: 535
Backtrace:
File: /home/nadserv/public_html/application/controllers/LanguageSwitcher.php
Line: 13
Function: redirect
File: /home/nadserv/public_html/index.php
Line: 292
Function: require_once
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/nadserv/public_html/system/core/Exceptions.php:272)
Filename: helpers/url_helper.php
Line Number: 565
Backtrace:
File: /home/nadserv/public_html/application/controllers/LanguageSwitcher.php
Line: 13
Function: redirect
File: /home/nadserv/public_html/index.php
Line: 292
Function: require_once